You might want to call the number on the rebate form to make sure, but the screenshot should work, as it is a copy of the original receipt.
I'm just uber-paranoid about rebates, even though I've always received every one that I've ever applied for. Their whole purpose is to get people to pay full price for an item while offering the manufacturer the opportunity to get out of paying the rebate on a technicality.
"They should rename the team to the Washington Government Sucks. Put Obama on the helmet. Line the entire walls of the stadium with the actual text of the ACA.
Fix their home team score on the board to the debt clock, they can win every game 17,000,000,000,000 to 24. Losing team gets taxed by the IRS 100%, then droned."